专利号:US-2015239796-A1 优先权日:2014-02-19 标题:One pot synthesis of 18f labeledtrifluoromethylated compounds with difluoro(iodo)methane 发明人:RüHL THOMAS; RISS PATRICK; RAFIQUE WAQAS 权利人:UNIV OSLO 摘要:The present invention relates to compositions and methods for the synthesis of 18 F labeled compounds. In particular, the present invention relates to a copper (I) mediated one pot method for 18 F-trifluoromethylation of aromatic- or heteroaromatic halides with difluoro(iodo)methane (e.g., for use at PET imaging agents).
专利号:US-2022056025-A1 优先权日:2018-09-25 标 题:Synthesis of pyrido[2,3-d]pyrimidin-7(8h)-ones 发明人:BROWN ADAM ROSS; DESROSIERS JEAN-NICOLAS; DUAN SHENGQUAN; HAWKINS JOEL MICHAEL; HAYWARD CHERYL MYERS; MALONEY MARK THOMAS; MONFETTE SEBASTIEN; PERFECT HAHDI HAKIMIOUN; WIDLICKA DANIEL WILLIAM 权利人:PFIZER 摘要:This invention relates to novel methods to prepare substituted pyrido[2,3-d]pyrimidin-7(8H)-ones, and salts and stereoisomers thereof, as well as intermediates useful for the preparation of such compounds.
专利号:US-7119232-B2 优先权日:2004-03-26 标题 :Nucleophilic substitution reactions of difluorormethyl phenyl sulfone with alkyl halides leading to the facile synthesis of terminal 1,1-difluoro-1-alkenes and difluoromethylalkanes 发明人:PRAKASH G K SURYA; HU JINBO; OLAH GEORGE A; WANG YING 权利人:UNIV SOUTHERN CALIFORNIA 摘要:(Benzenesulfonyl)difluoromethyl anion, in situ generated from difluoromethyl phenyl sulfone and a base, was found to easily undergo nucleophilic substitution reactions (S N 2) with primary alkyl halides, elemental halogens, and perfluoroalkyl halides with good selectivity. The formed (benzenesufonyl)difluoromethylalkanes are useful intermediates for the facile preparation of 1,1-difluoro-1-alkenes and difluoromethylalkanes. Thus, difluoromethyl phenyl sulfone acts as both “CF 2 ╠†and “CF 2 H − †synthons
专利号:AR-116504-A1 优先权日:2018-09-25 标 题:SYNTHESIS OF PIRIDO [2,3-d] PYRIMIDIN-7 (8H) ONAS, INTERMEDIARY COMPOUNDS FOR SUCH SYNTHESIS AND PREPARATION OF THE SAME
专利号:US-9006231-B2 优先权日:2008-03-03 标 题:Cephalotaxus esters, methods of synthesis, and uses thereof 发明人:GIN DAVID Y; WILMOT JEREMY; DJABALLAH HAKIM 权利人:SLOAN KETTERING INST CANCER 摘要:The present invention provides novel cephalotaxus esters, syntheses thereof, and intermediates thereto. The invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of using said compounds or compositions in the treatment of proliferative diseases (e.g., benign neoplasm, cancer, inflammatory disease, autoimmune disease, diabetic retinopathy) and infectious disease. The invention further provides methods of using said compounds or compositions in the treatment of multidrug resistant cancer.
专利号:US-2006052643-A1 优先权日:2004-03-26 标题:Nucleophilic substitution reactions of difluorormethyl phenyl sulfone with alkyl halides leading to the facile synthesis of terminal 1,1-difluoro-1-alkenes and difluoromethylalkanes